Mercury Messaging vs R2Drive
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Mercury Messaging
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Mercury is a standalone Telegram client designed specifically for Apple Watch. Stay connected wherever you are and manage your chats directly from your wrist, no iPhone required. Mercury delivers a truly native watchOS experience, itβs also completely open-source, offering full transparency and a privacy-first approach you can trust. Whether youβre training, traveling, or simply away from your phone, Mercury keeps you connected at a glance. What you can do with Mercury - Read and reply to Telegram messages instantly - View different types of media (like photos and stickers) - Listen to audio messages directly on your watch - Easily access chats organized in folders Effortless messaging - Type with the keyboard or dictation - Record and send voice messages with a refined, custom interface - Send stickers and add reactions with ease Simple, secure login - Scan the QR code with your phone - Alternatively login by typing your phone number. Mercury is an independent, open-source project built on the official Telegram API and is not affiliated with Telegram LLC.
R2Drive
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R2 Drive is a file manager for S3-compatible cloud storage services including Cloudflare R2, AWS S3, MinIO, and more. FEATURES β’ Browse, upload, download, and delete files β’ Create and manage folders β’ Copy and move files across buckets β’ Upload directly from camera, photo library, or Files app β’ Image preview with pinch-to-zoom β’ Switch between multiple connection profiles β’ Auto setup with Cloudflare API token β’ Usage tracking (Class A/B operations) β’ Cache-Control header presets for uploads SUPPORTED SERVICES β’ Cloudflare R2 β’ AWS S3 β’ MinIO β’ Any S3-compatible storage SECURITY All credentials are securely stored in the iOS Keychain. No data is sent to third-party servers. Note: An S3-compatible storage account is required to use this app.
Screenshots
Verdict
The clearest difference is iOS requirement: Mercury Messaging at 15.6 against R2Drive's 18.0. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Mercury Messaging | R2Drive |
|---|---|---|
| Price | Free | Free |
| Update frequency | β | Every 2 days |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod, Apple Watch β better | iPhone, iPad |
| Requires iOS | 15.6 β better | 18.0 |
| Further details β not scored | ||
| Size | 84 MB | 15 MB |
| Age rating | 17+ | 4+ |
| Developer | Alessandro Alberti | Kazuki Higashi |
In-app purchases
Mercury Messaging
No in-app purchases
R2Drive
No in-app purchases









